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I am not really sure, if am right here, but maybe you can help me out.

Currently I am looking for an smartphone app which tracks the sensor data while filming to use them later on for making a 3D path in Blender to use for the virtual camera. There should be enough gyroscopic datas to create such a path. You could easily put CGI in real filmed scenes. This way you would avoid hard tracking keyframes especially when you are switching location or the angle to hard without a cut.

Is there anything already out there for smartphone? I only found expensive stuff you have to buy seperatly. Or would it be easy to program?

Best regards, Leonard

BTW: Sorry for my English, I'm German.

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While this sort of a concept is a seductive idea, it has yet to see practical CGI usage. The reasons are complex, but in essence, as with the seductive ideas for keying, sub-pixels will always resist your effort like guerrilla warriors.

That is, the margins for error of data are so small, so thin, so slight, that capturing spatial data will always slip, slide, judder, or other such things because the image is never quite 1:1 with the data.

To practically achieve these sorts of things, several witness cameras tracking camera position can be combined with scanned / surveyed set positions, 3D point cloud scans, and footage tracking / bundling, etc. Accumulating camera data could be used as aids in this, but never a sole source of camera positioning.

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